Traveler for twister rings



July 26, 1927. 3 ,992

G. H. GILLIGAN TRAVELER FOR TWISTER RINGS Filed Nov. 22, 1926 friction results.

Patented July 26, 1927.

UNITED STATES PATENT OFFICE.

GEORGE E. GILLIGAN, OF NEW BEDFORD, MASSACHUSETTS, ASSIGNOR TO U. S. RING TRAVELER COMPANY, A CORPORATION OF RHODE ISLAND.

TRAVELER FOR 'rwrs'rnn nines.

Application filed November 22, 1926. Serial No. 149,837.

My invention relates to vertical ring travelers adapted for use upon vertical twister rings in distinction from the type of traveler upon rings known in this art as horizontal twister rings.

The essential objects of my invention are to prevent excess of strain and stretch of the cord being twisted; to prevent also any cramp or grip of the, traveler upon the ring or any other frictional contact, and distribute any wear upon the traveler evenly: to prevent heating of the ring and rail; to lessen the amount of lubricant required: and to preserve the elasticity of the product passing beneath the traveler.

I have discovered that the recited (head-- vantages are largely, if not wholly, due to the tilting action of the traveler during the course around the ring whereby binding and It has been attempted to prevent such tilting by providing the upper lip of the traveler centrally with a hole for the passage of the cord, access to the hole being afforded by a vertical guide slot. ,In'

practice this means has proved only partially effective.

My present invention consists in disposing the loop or body portions of thelips in parallelism with each. other as heretofore, but diagonally or at an incline to the shank of the traveler; the flanged portions or ends of the lips being thus laterally inclined rela Figure 2, a fragmentary view of the ring showing the traveler in another progressive position,

Figure 3, a section on line 3-3 of Figure 2,

Figure 4, an enlarged'front elevation of the traveler, and

Figure 5, a side elevation of a modified form of my traveler.

Like reference characters parts throughout the views.

In the drawings 10 represents a vertical twister ring in the rail 11 of a twister frame of any usual construction wherein the ring has reciprocating vertical movement in the direction of the arrows shown in Figure 1. In this figure is also shown a portion 12 of the thread or cord which is delivered to my traveler 13 from the usual delivery rolls through the ordinary fixed thread guide above the rail 11, and which passes from the traveler to the spool or bobbin as usual My novel traveler 13 is forined from a flat oblong metallic strip ofuniform width with its ends bent oppositely to each other upon the same side of the blank, but diagonally to the blank; constituting a vertical shank 16, a loop or head 17 and a loop or foot 18. The shank in this'instance has an intermediate concavity 19 but this is n'otessential. The head 17 comprises an arched bearing portion 20, diagonally disposed relatively to the shank, and downwardly directed terminallip 21 in a plane substantially parallel with that of the shank. The foot 18 likewise includes a bearing portion 23 diagonally disposed relatively to the shank 16, parallel indicate like with the portion 20 of the head, and termi- The traveler 13 with the cord or thread 12 passing under the head 17 is moved in its annular path over the ring, but because of the diagonal disposition of the head and foot of the traveler relatively to the shank the bearing portions 20 and 23 are uniformly parallel with the edges of the ring-10and therefore there is nolateral tilting or bindin of the travel er upon the ring, and for 'surfaces across the width thereof which in 1 this reason the disadvantagesdue to exces sive friction are absent.

I claim In a traveler for vertical twister rings, a substantially flat shank having its opposite endsbent outwardly at an oblique angle to said shank in directions op site to each other and forming substantia- 1y flat bearing aeaefeee use prevent canting of the traveler, and terminal lips integral with said bearing portions oppositely'directed upon the same side of the shank and laterally inclined relatively thereto.

In testimony whereof I have afixed my signature.

GEORGE H. GILLIGAN. 

